Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 Kb7 win in 3 half-moves
3 Kb8 win in 3 half-moves
4 Re7 win in 3 half-moves
5 Rd7 win in 5 half-moves
6 Ke6 win in 9 half-moves
7 Kd5 win in 11 half-moves
8 Ke5 win in 11 half-moves
9 Kc5 draw
10 Kcd7 draw
11 Kdc6 draw
12 Kdd7 draw
13 Ke7 draw
14 Rf7 draw
15 Rg7 draw
16 Rh3 draw
17 Rh6 draw
18 Kc8 loss in 2 half-moves
19 Kcc6 loss in 2 half-moves
20 Kd8 loss in 2 half-moves
21 Rh1 loss in 2 half-moves
22 Rh2 loss in 2 half-moves
23 Rh4 loss in 2 half-moves
24 Rh5 loss in 2 half-moves
25 Rh8 loss in 2 half-moves